36447872 has 16 divisors (see below), whose sum is σ = 72611250. Its totient is φ = 18223872.

The previous prime is 36447841. The next prime is 36447907. The reversal of 36447872 is 27874463.

It can be written as a sum of positive squares in only one way, i.e., 28472896 + 7974976 = 5336^2 + 2824^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142247 + ... + 142502.

Almost surely, 2^36447872 is an apocalyptic number.

36447872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

36447872 is a deficient number, since it is larger than the sum of its proper divisors (36163378).

36447872 is an equidigital number, since it uses as much as digits as its factorization.

36447872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284763 (or 284751 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 36447872 is about 6037.2073013936. The cubic root of 36447872 is about 331.5563823907.

The spelling of 36447872 in words is "thirty-six million, four hundred forty-seven thousand, eight hundred seventy-two".